Jania longifurca
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Corallinales
- family: Corallinaceae
- genus: Jania
- species: Jania longifurca
- Italy
Vila Franca do Campo
Azores
Portugal
Jania longifurca
Vila Franca do Campo